Our roundup of the main aerospace and defense stories making the news this week.

As NASA begins X-59 envelope expansion and Boom develops its first high speed engine, civil supersonic activity is at its highest since the retirement of Concorde in 2003. Editors discuss the latest developments and the challenges that lie ahead.

The U.S. Army has begun auctioning off Boeing CH-47F Chinook transport helicopters, potentially to make way for the arrival of Blk. II models.

An ambitious project to turn the ATR-72 into an amphibious waterbomber is beginning to take shape in France.

As the inventor of direct field acoustic testing, MSI DFAT is the leading provider of rapid and economical direct field acoustic qualification testing equipment and engineering services for the space industry.

Chinese arms developer Norinco has conducted the first flight of its Chang Ying-8 large uncrewed cargo aircraft, also known as Luca.

The cockpit warning light that cut short the second flight of NASA’s X-59 low-boom supersonic flight demonstrator on March 20 proved to be a false positive.

A French aircraft developer has secured €110 million ($126.1 million) from a European fund to launch the development of amphibious firefighting aircraft.